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/***************************************************************** |
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Function to read AC physics data v1.1 |
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Author: Petter Hofverberg, petter@particle.kth.se |
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|
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0408 v1.0 alive |
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0409 Added shifting operators to fix problem with odd data (BBAC|11DD) |
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----- |
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Errors: (returned to the main program as the variable "err") |
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err= |
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0 - Ok |
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1 - Data found, but corrupt |
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2 - Data dont found in buffer |
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|
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ToDo: i) do it endian-independent |
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ii) check for more events in the same file? |
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******************************************************************/ |
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|
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#include <stdio.h> |
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#include "AC.h" |
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int i,err,found,j; |
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|
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int ACphysics(int length,unsigned short* datapointer,struct physicsstruct* physicspointer) |
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{ |
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int iter=2; |
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|
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*physicspointer=physicsdata; |
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|
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//look for header AC11, then cut out the event to a temp buffer |
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while(found==0 && iter<length) |
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{ |
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tmp1=*datapointer; |
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tmp2=*(datapointer+1); |
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|
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if(tmp1==0x11AC) |
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//if(tmp1==0xAC11) //flipped |
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{ |
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found=1; |
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for(i=0;i<64;i++) |
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{ |
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buffer[i]=flip(*datapointer); |
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datapointer++; |
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} |
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tmp1=0x0000; |
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} |
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else if(((tmp1&0xFF00) >> 8 ) + ((tmp2&0x00FF) << 8 ) == 0x11AC) |
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//else if((tmp1&0x00FF) + (tmp2&0xFF00)==0xAC11) //flipped |
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{ |
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found=1; |
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for(i=0;i<64;i++) |
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{ |
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buffer[i]=flip(((tmp1&0xFF00) >> 8 ) + ((tmp2&0x00FF) << 8 )); |
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//buffer[i]=(tmp1&0x00FF) + (tmp2&0xFF00); //flipped |
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datapointer++; |
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tmp1=tmp2; |
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tmp2=*(datapointer+1); |
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} |
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} |
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else{ |
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datapointer++; |
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iter=iter+2;} |
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} |
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|
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//check errors |
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if(found==0) |
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err=2; |
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else if(buffer[1]==0x22AC || buffer[1]==0xAC22) |
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err=0; |
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else |
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err=1; |
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|
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//Fill physicsdata from buffer |
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for(i=0;i<2;i++) physicsdata.header[i]=buffer[i]; |
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physicsdata.status=buffer[2]; |
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physicsdata.hitmap=buffer[3]; |
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for(i=0;i<6;i++) physicsdata.regist[i]=buffer[4+i]; |
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for(i=0;i<16;i++) physicsdata.shift[i]=buffer[10+i]; |
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for(i=0;i<16;i++) physicsdata.counters[i]=buffer[26+i]; |
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for(i=0;i<8;i++) physicsdata.coinc[i]=buffer[42+i]; |
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physicsdata.trigg=buffer[50]; |
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for(i=0;i<2;i++) physicsdata.clock[i]=buffer[51+i]; |
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for(i=0;i<2;i++) physicsdata.temp[i]=buffer[53+i]; |
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for(i=0;i<8;i++) physicsdata.DAC[i]=buffer[55+i]; |
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physicsdata.CRC=buffer[63]; |
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|
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return err; |
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|
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} |
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